3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array[] = array('first'=>'jake','last'=>'quattrocchi'); $array[] = array('first'=>'david'); foreach($array as &$key=>$value){ $key[$value]['first'] == 'adfgadgadfg'; } var_dump($array);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0090.03512.46
5.4.300.0050.03612.46
5.4.290.0070.04112.46
5.4.280.0100.03912.36
5.4.270.0060.04312.36
5.4.260.0040.03812.36
5.4.250.0050.03712.36
5.4.240.0040.03612.36
5.4.230.0090.03912.35
5.4.220.0080.03612.35
5.4.210.0040.03612.35
5.4.200.0060.04312.35
5.4.190.0030.04212.35
5.4.180.0060.04512.34
5.4.170.0020.03812.36
5.4.160.0030.03612.35
5.4.150.0080.03112.35
5.4.140.0090.03212.03
5.4.130.0100.03612.02
5.4.120.0050.03511.98
5.4.110.0060.03511.98
5.4.100.0040.04211.98
5.4.90.0070.03411.98
5.4.80.0030.03911.97
5.4.70.0080.03111.97
5.4.60.0050.03411.97
5.4.50.0030.03811.98
5.4.40.0060.03711.96
5.4.30.0050.03511.96
5.4.20.0080.03111.96
5.4.10.0070.04111.96
5.4.00.0070.04111.45
5.3.280.0060.03612.71
5.3.270.0030.04212.72
5.3.260.0040.04012.72
5.3.250.0060.03612.72
5.3.240.0060.03712.72
5.3.230.0050.03612.70
5.3.220.0050.04112.68
5.3.210.0080.04012.68
5.3.200.0060.04512.68
5.3.190.0060.03812.68
5.3.180.0050.04212.68
5.3.170.0060.04012.67
5.3.160.0120.03312.68
5.3.150.0050.03712.68
5.3.140.0120.03312.66
5.3.130.0080.03612.66
5.3.120.0060.03712.66
5.3.110.0060.03712.66
5.3.100.0040.03812.12
5.3.90.0080.04312.08
5.3.80.0090.04012.08
5.3.70.0100.03512.08
5.3.60.0070.03812.06
5.3.50.0110.03412.00
5.3.40.0080.03612.00
5.3.30.0030.04211.95
5.3.20.0030.03711.72
5.3.10.0050.03511.69
5.3.00.0040.03811.68
5.2.170.0050.0309.18
5.2.160.0050.0289.18
5.2.150.0040.0319.18
5.2.140.0060.0309.18
5.2.130.0030.0309.13
5.2.120.0050.0319.14
5.2.110.0070.0299.14
5.2.100.0060.0299.14
5.2.90.0020.0319.14
5.2.80.0040.0319.14
5.2.70.0040.0359.14
5.2.60.0070.0349.09
5.2.50.0050.0299.06
5.2.40.0050.0289.04
5.2.30.0070.0299.01
5.2.20.0050.0349.00
5.2.10.0040.0308.92
5.2.00.0030.0338.78
5.1.60.0070.0268.07
5.1.50.0000.0298.07
5.1.40.0030.0298.04
5.1.30.0070.0258.40
5.1.20.0050.0298.41
5.1.10.0060.0318.14
5.1.00.0060.0248.14
5.0.50.0030.0246.62
5.0.40.0040.0196.48
5.0.30.0040.0316.29
5.0.20.0040.0186.25
5.0.10.0030.0246.24
5.0.00.0020.0326.23
4.4.90.0030.0174.78
4.4.80.0000.0184.75
4.4.70.0060.0144.76
4.4.60.0030.0154.76
4.4.50.0060.0144.77
4.4.40.0050.0254.71
4.4.30.0030.0174.76
4.4.20.0040.0164.84
4.4.10.0040.0134.85
4.4.00.0020.0254.75
4.3.110.0030.0164.67
4.3.100.0040.0164.66
4.3.90.0050.0164.63
4.3.80.0040.0274.58
4.3.70.0020.0144.63
4.3.60.0040.0204.63
4.3.50.0030.0184.63
4.3.40.0010.0264.54
4.3.30.0020.0153.28
4.3.20.0020.0163.27
4.3.10.0030.0153.22
4.3.00.0100.0207.21

preferences:
139.25 ms | 1394 KiB | 7 Q